Model: 255-72H500OHMS

Non Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Rectangular
Reliability Indicator
Established
Reliability Failure Rate Level In Percent
0.010
Terminal Length
0.300 inches
Shaft Diameter
0.075 inches
Shaft Length
0.080 inches
Body Length
0.375 inches
Body Width
0.170 inches
Body Height
0.420 inches
Shaft Style
Round, slotted
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
Between 7200.0 and 15120.0
Center To Center Distance Between Terminals
0.200 inches
Fragility Factor
Moderately delicate
Terminal Location
Lower adjacent side single row
Mounting Method
Terminal
Electrical Resistance Per Section
500.0 ohms single section
Rotary Actuator Travel In Angular Deg
9000.0
Center To Center Distance Between Center Terminal And Outside Terminal
0.100 inches
Ambient Tempurature In Deg Celsius Per Section At Zero Percent Rated Power
150.0 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-50.0/+50.0 single section
Power Dissipation Rating Per Section In Watts
0.75 free air single section
Resistance Tolerance Per Section In Percent
-5.0/+5.0 single section
Actuator Travel Control Feature
Clutch
Ambient Tempurature In Deg Celsius Per Section At Full Rated Power
85.0 single section
Standard Taper Curve Per Section
A single section
Test Data Document
81349-mil-r-39015 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
3 pin
Specification Data
81349-mil-r-39015/3 government specification
NSN
5905-01-041-2813
Part Number
255-72H500OHMS
Description
Resistor,variable,wire Wound,non
CAGE
0EBU2

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus of minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable. For items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, precision.

Part 255-72H500OHMS NSN 5905-01-041-2813

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37406
FIIG:
A002A0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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